RAID Array 230/Plus Subsystem RAID Configuration Utility

99 Pages·1997·0.95 MB·English

RAID Array 230/Plus Subsystem
RAID Configuration Utility
User's Guide
AA-R07GA-TE
Digital Equipment Corporation
Maynard, Massachusetts
First Edition, November 1996
The information in this document is subject to change without notice and should
not be construed as a commitment by Digital Equipment Corporation.
Digital Equipment Corporation assumes no responsibility for any errors that
might appear in this document.
The software, if any, described in this document is furnished under a license and
may be used or copied only in accordance with the terms of such license. No
responsibility is assumed for the use or reliability of software or equipment that
is not supplied by Digital Equipment Corporation or its affiliated companies.
The following are trademarks of Digital Equipment Corporation:
Alpha, DEC OSF/1, Digital UNIX, OpenVMS, StorageWorks, and the Digital
logo.
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SIMM is a trademark of Wang Laboratories.
All other trademarks and registered trademarks are the property of their
respective holders.
Copyright ª 1996 by Digital Equipment Corporation. All rights reserved.
Printed in the U.S.A.
Contents
Revision Record..................................................................................................................ix
About This Guide...............................................................................................................xi
1 RAID Configuration Utility
1.1 Energizing/De-Energizing Host System and Storage Enclosures.............................1–1
1.2 Invoking RAID Configuration Utility.....................................................................1–2
1.2.1 Intel-Based Systems.........................................................................................1–2
1.2.2 Alpha-Based Systems.......................................................................................1–2
1.3 Invoking Serial RCU on Alpha-Based Systems.......................................................1–4
1.4 Command Line Options..........................................................................................1–5
1.4.1 Configuration Override Option.........................................................................1–5
1.4.1.1 Intel-Based Systems.........................................................................................1–5
1.4.1.2 Alpha-Based Systems.......................................................................................1–5
1.5 Using RAID Configuration Utility..........................................................................1–6
1.5.1 Selecting KZPAC Controller............................................................................1–6
1.5.2 Navigating through RCU Screens.....................................................................1–8
1.5.3 How to Exit RCU.............................................................................................1–9
1.6 Main Menu Selections............................................................................................1–9
1.6.1 View/Update Configuration..............................................................................1–9
1.6.2 Automatic Configuration..................................................................................1–9
1.6.3 New Configuration.........................................................................................1–10
1.6.4 Initialize Logical Drive..................................................................................1–10
1.6.5 Parity Check...................................................................................................1–10
1.6.6 Rebuild..........................................................................................................1–11
1.6.7 Tools..............................................................................................................1–11
1.6.7.1 Bad Block Table.............................................................................................1–12
1.6.7.2 Error Counts...................................................................................................1–12
1.6.7.3 Format Drive..................................................................................................1–12
1.6.7.4 Make Optimal................................................................................................1–12
1.6.7.5 Fail Drive.......................................................................................................1–12
1.6.7.6 Backup/Restore Configuration........................................................................1–12
1.6.7.7 Clear Configuration........................................................................................1–12
1.6.7.8 Print Configuration.........................................................................................1–13
1.6.8 Select Controller............................................................................................ 1–13
1.6.9 Controller Setup............................................................................................. 1–13
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StorageWorks RAID Array 230/Plus Subsystem RAID Configuration Utility
1 RAID Configuration Utility (Cont.)
1.7 Setting Controller Parameters...............................................................................1–13
1.7.1 Hardware Parameters.....................................................................................1–13
1.7.2 Data Parameters.............................................................................................1–15
1.7.2.1 Data Parameters KZPAC and KZPSC.............................................................1–15
1.7.2.2 Data Parameters KZESC................................................................................1–16
1.7.3 SCSI Transfer Parameters..............................................................................1–17
1.7.4 Startup Parameters.........................................................................................1–18
2 Configuring The RAID Array
2.1 Planning Disk Configuration..................................................................................2–1
2.1.1 Planning Recovery from Disk Failure...............................................................2–1
2.1.1.1 Hot Spare.........................................................................................................2–2
2.1.1.2 Hot Swap.........................................................................................................2–2
2.1.1.3 Manually Rebuilding........................................................................................2–2
2.1.2 Planning Configuration....................................................................................2–3
2.1.2.1 Sample Configuration for High Data Availability.............................................2–3
2.1.2.2 Sample Configuration for Low Cost with High Performance............................2–6
2.2 Understanding Configuration Methods...................................................................2–7
2.2.1 Automatic Method...........................................................................................2–7
2.2.1.1 Restrictions......................................................................................................2–7
2.2.1.2 Major Steps......................................................................................................2–7
2.2.1.3 Menu Selection................................................................................................2–8
2.2.2 Interactive/Manual Method..............................................................................2–8
2.2.2.1 Advantages.......................................................................................................2–8
2.2.2.2 Major Steps......................................................................................................2–8
2.2.2.3 Menu Choices..................................................................................................2–9
2.3 Configuring Automatically.....................................................................................2–9
2.3.1 Selecting Automatic Configuration Option.......................................................2–9
2.3.2 Initializing Logical RAID Drive.....................................................................2–11
2.3.3 Saving Controller Configuration to Diskette...................................................2–13
2.4 Configuring Interactively/Manually......................................................................2–14
2.4.1 Introduction....................................................................................................2–14
2.4.1.1 New Configuration and View/Update Configuration: Differences...................2–14
2.4.1.2 Using New, or View/Update, Configuration Screen to Configure Subsystem or
Check Configuration......................................................................................2–17
2.4.2 Defining Drive Groups...................................................................................2–18
2.4.2.1 Introduction....................................................................................................2–18
2.4.2.2 Create Drive Group........................................................................................2–21
2.4.2.3 Cancel Drive Group........................................................................................2–24
2.4.2.4 Arrange Drive Group......................................................................................2–24
2.4.2.5 Obtaining Device Information........................................................................2–25
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Contents
2 Configuring The RAID Array (Cont.)
2.4.3 Creating Logical Drive and Choosing Caching Policy....................................2–27
2.4.3.1 Define Logical Drive......................................................................................2–27
2.4.3.2 Choose Caching Policy...................................................................................2–32
2.4.4 Defining Hot Spare Drive...............................................................................2–33
2.4.5 Viewing Logical Drive Matrix........................................................................2–34
2.4.6 Saving Logical Drive Configuration...............................................................2–36
2.4.7 Initializing Logical Drive...............................................................................2–37
2.4.8 Saving KZPAC Controller Configuration to Diskette......................................2–40
3 Maintaining The RAID Array
3.1 Introduction............................................................................................................3–1
3.2 Running Parity Check/Repair.................................................................................3–2
3.3 Rebuild..................................................................................................................3–6
3.3.1 Rebuild Fails....................................................................................................3–7
3.4 Tools......................................................................................................................3–8
3.4.1 Bad Block Table...............................................................................................3–9
3.4.2 Error Counts...................................................................................................3–11
3.4.3 Format Drive..................................................................................................3–12
3.4.4 Make Drive Optimal.......................................................................................3–13
3.4.5 Fail Drive.......................................................................................................3–15
3.4.6 Backup/Restore Configuration........................................................................3–18
3.4.6.1 Saving Copy of RAID Configuration on Diskette...........................................3–18
3.4.6.2 Restoring RAID Configuration onto New Controller......................................3–19
3.4.7 Clear Configuration........................................................................................3–20
3.4.8 Print Configuration, Intel-Based.....................................................................3–21
3.4.9 Print Configuration, Alpha-Based...................................................................3–23
Appendix A Downloading New Controller Firmware
A.1 Firmware Downloader Description.........................................................................A–1
A.1.1 Intel-Based Systems.........................................................................................A–1
A.1.1.1Explicit Image Name........................................................................................A–1
A.1.1.2-v Option..........................................................................................................A–2
A.1.2 Alpha-Based Systems.......................................................................................A–2
A.1.2.1Explicit Image Name........................................................................................A–2
A.1.2.2-v Option..........................................................................................................A–3
Readers Comment Form.........................................................................Inside Back Cover
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StorageWorks RAID Array 230/Plus Subsystem RAID Configuration Utility
Figures
1–1 Main Menu of RAID Configuration Utility.............................................................1–3
1–2 ARC Console for Alpha-Based System...................................................................1–3
1–3 Select Controller Function......................................................................................1–7
1–4 Selection Screen.....................................................................................................1–7
1–5 Elements of RCU Screens......................................................................................1–8
1–6 Edit/View Parameters Menu.................................................................................1–14
1–7 Hardware Parameters Screen................................................................................1–15
1–8 Enter Channel # Box at Bottom Right...................................................................1–17
1–9 SCSI Transfer Parameters of Channel Screen.......................................................1–18
1–10 Startup Parameters Menu.....................................................................................1–19
2–1 View Matrix Screen Showing Configuration of Table 2–1......................................2–5
2–2 Storage Enclosures Required for Configuration of Table 2–1.................................2–5
2–3 Automatic Configuration Screen.......................................................................... 2–10
2–4 Initialize Logical Drive Screen.............................................................................2–11
2–5 Proceed with Initialization Confirmation Message................................................2–12
2–6 Progress Bar Displays Status of Initialization.......................................................2–13
2–7 View/Update Configuration Screen......................................................................2–21
2–8 Group Definition Screen.......................................................................................2–22
2–9 Adding New Drive Group.....................................................................................2–23
2–10 Arrange Group Screen..........................................................................................2–25
2–11 Selecting Device Information...............................................................................2–26
2–12 Device Information Window................................................................................2–26
2–13 Logical Drive Definition Screen...........................................................................2–28
2–14 RAID Level Window............................................................................................2–29
2–15 Create Logical Drive Confirmation......................................................................2–30
2–16 Displaying New Logical Drive.............................................................................2–31
2–17 Define Spare Screen.............................................................................................2–34
2–18 View Matrix Screen.............................................................................................2–35
2–19 Save Configuration Window.................................................................................2–37
2–20 Initialize Logical Drive Screen.............................................................................2–38
2–21 Confirmation Window..........................................................................................2–39
2–22 Percent Initialized Screen.....................................................................................2–40
3–1 Main Menu of RCU................................................................................................3–1
3–2 Parity Check Menu.................................................................................................3–2
3–3 Parity Check Screen...............................................................................................3–3
3–4 Parity Check Progress Screen.................................................................................3–4
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Contents
Figures (Cont.)
3–5 Parity Check Passed Screen....................................................................................3–4
3–6 Parity Check Failed Screen.....................................................................................3–5
3–7 Restore Parity Screen.............................................................................................3–5
3–8 Parity Successfully Restored Screen.......................................................................3–6
3–9 Choose whether to Format before Rebuilding.........................................................3–8
3–10 Tools Window........................................................................................................3–9
3–11 Bad Block Table Screen.......................................................................................3–10
3–12 Error Count Window............................................................................................3–12
3–13 Tools Window......................................................................................................3–13
3–14 Make Drive Optimal.............................................................................................3–15
3–15 Message Displayed When You Select Drive to Fail..............................................3–16
3–16 Fail Drive Confirmation Message.........................................................................3–17
3–17 RCU Changes Drive Status to FLD.......................................................................3–17
3–18 Backup/Restore Configuration Window................................................................3–19
A–1 ARC Console for Alpha-Based System...................................................................A–3
Tables
2–1 Data Availability Configuration Using RAID 5......................................................2–4
2–2 Low Cost and High Performance Using RAID 0.....................................................2–6
2–3 Configuration Methods, Automatic Verus Interactive.............................................2–7
2–4 New Configuration and View/Update Configuration Screens: Differences............2–15
2–5 Number of Drives per Drive Group for Each RAID Level....................................2–19
2–6 How Capacity of Each Individual Drive Affects Capacity of Drive Group — Example
Only.....................................................................................................................2–20
2–7 Drive Status.........................................................................................................2–36
AA–R07GA–TE vii
Revision Record
This Revision Record provides a concise publication history of this user’s guide. It lists
the guide’s revision levels, release dates, and reasons for the revisions.
The following revision history lists all revisions of this publication and their effective
dates. The publication part number is included in the Revision Level column, with the
last entry denoting the latest revision. This publication supports StorageWorks RAID
Array 230/Plus Subsystems.
Revision Level Date Summary of Changes
AA–R07GA–TE November 1996 Original release
AA–R07GA–TE ix
About This Guide
This section defines the audience of the guide and describes its contents and structure.
In addition, this section identifies the conventions used in the guide and provides a list of
related documents.
The StorageWorks RAID Array 230/Plus Subsystem RAID Configuration
Utility User’s Guide
This guide describes the RAID Configuration Utility (RCU) and how to use it to
configure and maintain StorageWorks RAID Array 230/Plus Subsystems.
Intended Audience
This guide is for system administrators and users who need to configure and
maintain RAID Array 230/Plus Subsystems with the RCU.
Organization
This guide contains the following:
Chapter 1: RAID Configuration Utility
The chapter provides:
• A procedure for energizing and de-energizing the host computer and storage
enclosures,
• Procedures for invoking the RCU on Intel-Based, and Alpha-Based systems,
• The function of the RCU’s command line options and how to use them,
• A procedure for selecting a specific StorageWorks RAID Array 230/Plus
Subsystem controller, also known as a KZPAC controller, when the host
system has multiple KZPAC controllers installed,
• General information for navigating through the RCU screens,
• A procedure for exiting the RCU,
• A brief description of the RCU’s main menu selections, and
• Procedures for setting the KZPAC controller parameters.
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StorageWorks RAID Array 230/Plus Subsystem RAID Configuration Utility
Chapter 2: Configuring RAID Array
This chapter provides:
• Information on planning your disk configuration;
• A description of the automatic configuration method with the two
requirements which must be satisfied to use it, and the three major steps
required to implement it;
• A description of the interactive/manual configuration method with a listing of
its four advantages over the automatic method, and a listing of the five major
steps (two of them optional) used to implement it;
• The procedure for configuring automatically; and
• The procedure for configuring interactively/manually.
Chapter 3: Maintaining RAID Array
This chapter provides:
• A procedure for checking and repairing parity on logical drives with redundant
RAID levels,
• Procedures for recreating (rebuilding) a failed drive’s data on a replacement
drive if the failed drive is part of a configuration with a redundant RAID level,
and
• Procedures for using each of the eight options in the Tools window.
Appendix A: Downloading New Controller Firmware
This appendix documents the firmware downloading function.
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